US3172787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing detachable wheel rims
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:07
CPC Classifications
B; B60; B60B; B60B21/00; B60B21/02; B21; B21D; B21D53/00; B21D53/26; B21D53/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49524; Y10T29/49529; Y10T428/00; Y10T428/12; Y10T428/12333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
THE PROCESS OF FORMING A TIRE RIM OF ALUMINUM ALLOY MATERIAL COMPRISING EXTRUDING A LENGTH OF WHEEL RIM MATERIAL TO FORM AN UNSYMMETRICAL RIM PROFILE LENGTH WITH A HOLLOW PORTION FORMED ALONG ITS LENGTH AT ONE SIDE AND WITH THE PROFILE LENGTH FORMED TO AN OVERSIZE CONFIGURATION, TRANSFORMING THE RIM INTO A SOFT ANNEALED CONDITION BY HEATING, THEREAFTER CIRCLING THE WHEEL RIM PROFILE LENGTH IN A SOFT ANNEALED CONDITION AND WITHOUT FILLING THE HOLLOW SPACE, AND SIMULTANEOUSLY EXPANDING THE PROFILE LENGTH BY CIRCLING ON THE OPPOSITE SIDE IN A MANNER TO COMPENSATE FOR THE EXPANSION OF THE HOLLOW PORTION AT THE SAME TIME DURING ROUNDING, ROUND THE PROFILE LENGTH INTO A WHEEL RIM WHILE SIMULTANEOUSLY SHAPING THE RIM INTO DESIRED CONFIGURATION; CROSS-WELDING THE RIM TO JOIN THE OPPOSITE ENDS TOGETHER, HARDENING THE RIM BY HEATING IT FOR A PERIOD OF TIME AND CALIBRATING THE WHEEL RIM TO A FINISHED SIZE BY PLACING THE RIM IN A CONE-SHAPED DIE AND APPLYING PRESSURE THERETO.
Claim 2
Dependent Claim
162 words
THE PROCESS OF FORMING A TIRE RIM OF ALUMINUM ALLOY MATERIAL COMPRISING EXTRUDING A LENGTH OF WHEEL RIM MATERIAL TO FORM AN UNSYMMETRICAL RIM PROFILE LENGTH WITH A HOLLOW PORTION FORMED ALONG ITS LENGTH AT ONE SIDE AND WITH THE PROFILE LENGTH FORMED TO AN OVERSIZE CONFIGURATION, TRANSFORMING THE RIM INTO A SOFT ANNEALED CONDITION BY HEATING, THEREAFTER CIRCLING THE WHEEL RIM PROFILE LENGTH IN A SOFT ANNEALED CONDITION AND WITHOUT FILLING THE HOLLOW SPACE, AND SIMULTANEOUSLY EXPANDING THE PROFILE LENGTH BY CIRCLING ON THE OPPOSITE SIDE IN A MANNER TO COMPENSATE FOR THE EXPANSION OF THE HOLLOW PORTION AT THE SAME TIME DURING ROUNDING, ROUND THE PROFILE LENGTH INTO A WHEEL RIM WHILE SIMULTANEOUSLY SHAPING THE RIM INTO DESIRED CONFIGURATION; CROSS-WELDING THE RIM TO JOIN THE OPPOSITE ENDS TOGETHER, HARDENING THE RIM BY HEATING IT FOR A PERIOD OF TIME AND CALIBRATING THE WHEEL RIM TO A FINISHED SIZE BY PLACING THE RIM IN A CONE-SHAPED DIE AND APPLYING PRESSURE THERETO.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |